Electric rotary machine

Details Electric rotary machine Electric rotary machine

H - Electricity

02

K

H02K 3/40 (2006.01) H02K 3/48 (2006.01) H02K 9/22 (2006.01)

Patent

CA 2400822

The invention relates to an electric rotary machine (2), especially a high- voltage generator. The aim of the invention is to provide such a machine with a more efficient cooling and a good insulation. To this end, the high voltage conductors (14) are embedded in channels (12) via a special ceramic powder embedding material (20). Said embedding material (20) has a good thermoconductivity, excellent electrical insulation properties and contains especially aluminum oxide and aluminum nitride as the powder components.

L'invention concerne une machine tournante (2) électrique, en particulier un générateur haute tension. L'objectif de l'invention est de garantir, dans cette machine, un refroidissement efficace et une bonne isolation. A cet effet, les conducteurs haute tension (11) sont intégrés dans des canaux (12) au moyen d'un matériau d'incorporation (20) céramique et pulvérulent. Ce matériau d'incorporation (20) présente une bonne conductibilité thermique et une capacité élevée d'isolation électrique, et comporte, comme composants formant la poudre, en particulier de l'oxyde d'aluminium et du nitrure d'aluminium.

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